Optimised Green Extraction, Macroporous Resin Enrichment, and Biological Activities of a Characterised Psidium guajava (Myrtaceae) Leaf Extract
Psidium guajava L. leaves are a valuable source of phenolic compounds, particularly glycosylated flavonoids, with possible applications as standardised nutraceutical ingredients. However, the intrinsic variability of botanical matrices requires reproducible production processes integrating extraction optimisation, phyt...